R3.05

Render-blocking and Layout Shift

Cards in this group · 6

  1. R3.05.1Late-arriving content pushes already laid-out nodes
  2. R3.05.2A control that moves after render steals the tap meant for it
  3. R3.05.3Dynamic content needs reserved space
  4. R3.05.4Render-blocking resources determine the first visible moment
  5. R3.05.5Already-interactive regions must not be reflowed by late content
  6. R3.05.6Async inserts should occupy positions that do not interrupt reading